Humphrey, Stephen E. <br/><br/>
Handbook of multilevel theory, measurement, and analysis., The. 

 -  APA  2019 
<br/><br/><label>ISBN: </label>9781433830099 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics & Statistics & Methodology